{"schemaVersion":3,"id":"CVE-2023-32187","aliases":["CGA-c2c9-9647-v443","CGA-q7hh-rc95-2m4x","GHSA-m4hf-6vgr-75r2"],"status":"published","duplicateOf":null,"title":null,"description":"An Allocation of Resources Without Limits or Throttling vulnerability in SUSE k3s allows attackers with access to K3s servers' apiserver/supervisor port (TCP 6443) cause denial of service.\nThis issue affects k3s: from v1.24.0 before v1.24.17+k3s1, from v1.25.0 before v1.25.13+k3s1, from v1.26.0 before v1.26.8+k3s1, from sev1.27.0 before v1.27.5+k3s1, from v1.28.0 before v1.28.1+k3s1.","dates":{"published":"2023-09-18T12:04:27.767Z","modified":"2024-09-25T20:48:50.658Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Wolfi","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Chainguard","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00723,"percentile":0.53168,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00723},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00723,"percentile":0.53168}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00723,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00723,"percentile":0.53168}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling","description":"The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/770.html"}],"affected":[{"vendor":"chainguard","product":"k3s","name":"k3s","label":"k3s","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/k3s","purlType":"apk","versions":[{"text":"< 1.27.5-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.27.5-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"k3s","name":"k3s","label":"k3s","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/k3s","purlType":"apk","versions":[{"text":"< 1.27.5-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.27.5-r0","eol":null,"hubHref":null},{"vendor":"github.com/k3s-io","product":"k3s","name":"github.com/k3s-io/k3s","label":"k3s","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/k3s-io/k3s","purlType":"golang","versions":[{"text":"< 1.24.17","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.25.0, < 1.25.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.26.0, < 1.26.8","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.27.0, < 1.27.5","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.28.0, < 1.28.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.24.17 | ≥ 1.25.0, < 1.25.13 | ≥ 1.26.0, < 1.26.8 | ≥ 1.27.0, < 1.27.5 | ≥ 1.28.0, < 1.28.1","eol":null,"hubHref":null},{"vendor":"k3s","product":"k3s","name":"k3s","label":"k3s","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.24.0, < 1.24.17\\+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.25.0, < 1.25.13\\+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.26.0, < 1.26.8\\+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.27.0, < 1.27.5\\+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.28.0, < 1.28.1\\+k3s1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.24.0, < 1.24.17\\+k3s1 | ≥ 1.25.0, < 1.25.13\\+k3s1 | ≥ 1.26.0, < 1.26.8\\+k3s1 | ≥ 1.27.0, < 1.27.5\\+k3s1 | ≥ 1.28.0, < 1.28.1\\+k3s1","eol":null,"hubHref":"/vendor/k3s/k3s"},{"vendor":"suse","product":"k3s","name":"k3s","label":"k3s","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ v1.24.0, < v1.24.17+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ v1.25.0, < v1.25.13+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ v1.26.0, < v1.26.8+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ sev1.27.0, < v1.27.5+k3s1","noFixRecorded":false,"fixedIn":null},{"text":"≥ v1.28.0, < v1.28.1+k3s1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ v1.24.0, < v1.24.17+k3s1 | ≥ v1.25.0, < v1.25.13+k3s1 | ≥ v1.26.0, < v1.26.8+k3s1 | ≥ sev1.27.0, < v1.27.5+k3s1 | ≥ v1.28.0, < v1.28.1+k3s1","eol":null,"hubHref":"/vendor/suse/k3s"}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://","label":"bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://","hostname":"bugzilla.suse.com","tags":["REPORT","Broken Link"]},{"url":"https://github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2","label":"github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2","hostname":"github.com","tags":["Advisory","WEB","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32187","label":"nvd.nist.gov/vuln/detail/CVE-2023-32187","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https:/","label":"bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https:/","hostname":"bugzilla.suse.com","tags":["WEB"]},{"url":"https://github.com/k3s-io/k3s","label":"github.com/k3s-io/k3s","hostname":"github.com","tags":["PACKAGE"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-326M-8F4M-788P","CGA-JWQ9-4GHJ-H3HH"]},"timeline":[{"kind":"published","date":"2023-09-18T12:04:27.767Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-25T20:48:50.658Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T07:24:29.955Z","stale":false,"partial":false}}